
MS851
Rugged Laser Barcode Scanner
Built-in a powerful scan engine, the MS851 provides impressive speedy and accurate scanning performance in large working range from near to 4.5m(100mil code39).
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USB
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IP42
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2.1 m
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Retail
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Manufacturing
unitech MS851 rugged handheld laser scanner is the widest working range in this class which is ideal for a broad range of market applications such as document processing, retail and inventory applications.
Features
• Offers longer working range, a wider scan field, high-speed and sensitive scanning performance.
• Support most standard 1D barcodes
• Long lifecycle trigger design: Up to 10,000,000 times.
• Ultra-rugged design : IP42 and 2.1m drop spec
• Louder beeper and brighter LED indicators for easily recognizing feedbacks
• Lightweight design: 147g without cable.
Intuitive and aggressive handheld scanning performance
Featuring advanced laser scanning technology, the MS851 has the automatic scanning ability with a scan rate of up to 104 scans per second. It also has the ability to capture long range 1D barcodes, even damaged or poorly printed barcodes. This device enhances the workflow efficiency in an affordable price.
Easy to use
Due to different operational modes: trigger mode and presentation
mode, The MS851 can be used in the most practical way depending on the scanning task. This scanner can be configured via USB, and offers replaceable cables ensuring ease of integration. Equipped with a louder beeper and brighter LED indicators, the MS851 allows users to recognize the feedbacks easily even in dark environment.
Compact but durable
While sustaining a 2.1 meter drop to concrete, MS851 incorporated with IP42 rugged design for protection against dust and moisture. Moreover, the built-in long lifecycle trigger of 10 million times guarantees a continuous productivity for best reliability. This scanner can be used in the most practical way depending on the long range scanning task in various solutions in retail and inventory applications.
TAA Compliant Barcode Scanners

TAA refers to the Trade Agreements Act, which is a law that was passed for the purpose of making international trade more open and fair. One of the main requirements of the TAA is products purchased by the United States government can only be made in the U.S. or by a designated country such as Taiwan.
Founded in 1979 in Taiwan, Unitech is a global provider of AIDC technologies with over 40 years of experience. Our factories were built in Taiwan, and all the SMT and assembly are done in Taiwan as well. We offer a series of quality barcode scanner products to comply with the Trade Agreements Act (TAA) for U.S. government GSA (General Services Administration) Schedule contracts
Learn more about Unitech TAA Compliant Product List :
Wired Barcode Scanners
- MS852
- MS852+
Wireless Barcode Scanners
- MS851B
ESD Safe Barcode Scanners
Anti-microbial 2D barcode scanner
Specification
Optical & Performance
- Sensor Laser Engine
- Scan Rate 104 (± 12) scans/sec (bidirectional)
- Skew Angle ±40° from normal
- Pitch Angle Sensor ±65° from normal
- Optical Resolution 4mil (0.1mm)
- Printing Contrast Scale minimum 20%
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Depth of Field
Symbology | Density | Near | Far
Code 128, 5 mils | 3.55 cm | 17.78 cm
Code 39, 5 mils | 3.05 cm | 26.67 cm
Code 39, 7.5 mils | 3.04 cm | 41.91 cm
Code 128, 10 mils | 3.05 cm | 40.46cm
UPC, 13 mils | 4.57 cm | 63.50 cm
Code 128, 15 mils | 5.08 cm | 66.04 cm
Code 39, 20 mils | 3.56 cm | 116.84 cm
Code 39, 55 mils | 8.64 cm | 177.80 cm
Code 39, 100 mils | 60.96 cm | 457.20 cm
Mechanical
- Dimension 87.8 L x 71.6 W x 177.7 H (mm)
- Weight 147g without cable
- Trigger Switch Life 10 million times
Functionality
- Operation Mode Trigger mode, Pulse mode, Flash mode, Continuous Mode
Symbologies
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1D Barcodes
Code 39, Full ASCII Code39, Interleave 2 of 5, UPC
A/E/E1, MSI, Codabar, Code 11, EAN8/13, Code 93,
Code 128, EAN128, Code32, GS1 databar Code,
Bookland EAN, Discreate 2 of 5, Chinese 2 of 5, ISBT
128, UCC Coupon Extended Code, Bookland 128
Electrical
- Operation Voltage 4 VDC to 5.5 VDC
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Current Consumption
Operation mode: <110mA
Standby mode: <20mA -
Indicator
Direct decode indicator, good decode
LEDs, beeper (adjustable tone/volume)
Environmental
- ESD Protection Functional after 8K Contact and 15K Air
- Mechanical Shock 2.1M onto concrete (scanner only)
- Operating Temperature -10°C to 50°C (14°F to 122°F)
- Storage Temperature -40°C to +70°C (-40°F to +158°F)
- Relative Humidity 95% non-condensing
- IP Rating IP42
Accessories
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Items
■ Standard Hands-Free Stand (Optional) (PN#5200-900009G)
■ RS232 Cable (PN#1550-900060G)
■ USB Cable (PN#1550-900127G)
Regulatory Approvals
- Regulatory Approvals CE, FCC, BSMI, VCCI, TAA Compliant
What comes in the box
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The standard package contents
■ MS851 Scanner
■ Interface cable (RS232 / USB)
Accessories
Download
Marketing Material
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Rev.B2.1MB121 Downloads
Technical Material
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186.4KB110 Downloads
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V1.45MB69 Downloads
Supporting Software
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86.3MB74 Downloads
FAQ
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74.8KB22 Downloads